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Grandstream

42 CVEs vendor

Monthly

CVE-2026-2329 Feb 18, 15:18 CRITICAL POC PATCH THREAT Act Now

Unauthenticated stack-based buffer overflow in /cgi-bin/api.values.get HTTP API endpoint. EPSS 41.1% indicates very high exploitation probability. Patch available.

RCE Buffer Overflow Stack Overflow Gxp1610 Firmware Gxp1615 Firmware +5
NVD GitHub
CVSS 3.1
9.8
EPSS
41.1%
Threat
4.7
CVE-2020-5722 Mar 23, 20:15 CRITICAL POC KEV THREAT Emergency

The HTTP interface of the Grandstream UCM6200 series is vulnerable to an unauthenticated remote SQL injection via crafted HTTP request. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

SQLi Ucm6200 Firmware Grandstream
NVD Exploit-DB
CVSS 3.1
9.8
EPSS
83.9%
CVE-2019-10655 Mar 30, 17:29 CRITICAL POC THREAT Emergency

Grandstream GAC2500 1.0.3.35, GXP2200 1.0.3.27, GVC3202 1.0.3.51, GXV3275 before 1.0.3.219 Beta, and GXV3240 before 1.0.3.219 Beta devices allow unauthenticated remote code execution via shell. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RCE Buffer Overflow Command Injection CSRF Gac2500 Firmware +5
NVD GitHub
CVSS 3.1
9.8
EPSS
15.4%
CVE-2025-28170 Jul 29, 17:15 HIGH POC This Week

Information disclosure in the Grandstream GXP1628 IP phone (firmware 1.0.4.130 and earlier) exposes sensitive directories and files because directory listing is enabled on the device web interface, letting attackers browse and retrieve files that should be protected. The flaw (CWE-548) can leak configuration data, credentials, or other sensitive artifacts stored on the device. Publicly available exploit code exists, though EPSS remains low at 0.31% (22nd percentile) and it is not listed in CISA KEV.

Authentication Bypass Gxp1628 Firmware Grandstream
NVD GitHub
CVSS 3.1
7.6
EPSS
0.3%
CVE-2025-28171 Jul 29, 16:15 MEDIUM This Month

Unauthenticated sensitive information disclosure in Grandstream UCM6510 unified communications appliances (firmware v.1.0.20.52 and earlier) exposes data via the Login function at the /cgi and /webrtccgi CGI endpoints. The CVSS vector (PR:N/UI:N/AV:N) confirms exploitation requires no authentication or user interaction from any network position. A public proof-of-concept is available on GitHub; EPSS is low at 0.40% (32nd percentile) suggesting limited opportunistic scanning activity to date, but internet-exposed deployments are concretely at risk from targeted reconnaissance.

Information Disclosure Ucm6510 Firmware Grandstream
NVD GitHub
CVSS 3.1
6.5
EPSS
0.4%
CVE-2025-28172 Jul 29, 15:15 MEDIUM This Month

Unlimited brute-force authentication attempts against Grandstream UCM6510 IP PBX firmware v1.0.20.52 and earlier allow unauthenticated network attackers to enumerate and compromise user accounts through credential stuffing or dictionary attacks. The device imposes no rate limiting, lockout, or CAPTCHA mechanism on login attempts (CWE-307), making full account takeover feasible against any account with a weak or guessable password. No public exploit confirmation via CISA KEV exists, though a researcher-published GitHub gist documents the issue and EPSS sits at a low 0.28% (20th percentile), suggesting limited observed exploitation at this time.

Information Disclosure Ucm6510 Firmware Grandstream
NVD GitHub
CVSS 3.1
6.5
EPSS
0.3%
CVE-2024-32937 Jul 03, 14:15 CRITICAL POC THREAT Act Now

An os command injection vulnerability exists in the CWMP SelfDefinedTimeZone functionality of Grandstream GXP2135 1.0.9.129, 1.0.11.74 and 1.0.11.79. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Command Injection Gxp2135 Firmware Grandstream
NVD
CVSS 3.1
9.8
EPSS
26.3%
CVE-2022-2070 Sep 23, 16:15 CRITICAL POC Act Now

In Grandstream GSD3710 in its 1.0.11.13 version, it's possible to overflow the stack since it doesn't check the param length before using the sscanf instruction. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Stack Overflow Gds3710 Firmware Grandstream
NVD Exploit-DB
CVSS 3.1
9.8
EPSS
4.4%
CVE-2022-2025 Sep 23, 16:15 CRITICAL POC Act Now

an attacker with knowledge of user/pass of Grandstream GSD3710 in its 1.0.11.13 version, could overflow the stack since it doesn't check the param length before use the strcopy instruction. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Stack Overflow Gds3710 Firmware Grandstream
NVD Exploit-DB
CVSS 3.1
9.8
EPSS
4.1%
CVE-2021-37915 Oct 28, 12:15 HIGH POC This Week

An issue was discovered on the Grandstream HT801 Analog Telephone Adaptor before 1.0.29.8. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Ht801 Firmware Grandstream
NVD
CVSS 3.1
8.8
EPSS
2.0%
CVE-2021-37748 Oct 28, 12:15 HIGH POC This Week

Multiple buffer overflows in the limited configuration shell (/sbin/gs_config) on Grandstream HT801 devices before 1.0.29 allow remote authenticated users to execute arbitrary code as root via a. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Buffer Overflow Memory Corruption Ht801 Firmware Grandstream
NVD GitHub
CVSS 3.1
8.8
EPSS
7.3%
CVE-2020-5763 Jul 29, 19:15 HIGH POC This Week

Grandstream HT800 series firmware version 1.0.17.5 and below contain a backdoor in the SSH service. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Ht802 Firmware Ht801 Firmware Ht812 Firmware Ht814 Firmware +3
NVD
CVSS 3.1
8.8
EPSS
2.7%
CVE-2020-5762 Jul 29, 19:15 HIGH POC This Week

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to a denial of service attack against the TR-069 service. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Ht802 Firmware Ht801 Firmware Ht812 Firmware +4
NVD
CVSS 3.1
7.5
EPSS
3.4%
CVE-2020-5761 Jul 29, 19:15 HIGH POC This Week

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due to an infinite loop in the TR-069 service. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Ht802 Firmware Ht801 Firmware Ht812 Firmware Ht814 Firmware +3
NVD
CVSS 3.1
7.5
EPSS
4.1%
CVE-2020-5760 Jul 29, 19:15 HIGH POC This Week

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to an OS command injection vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Command Injection Ht802 Firmware Ht801 Firmware Ht812 Firmware Ht814 Firmware +3
NVD
CVSS 3.1
7.8
EPSS
5.5%
CVE-2020-5759 Jul 17, 21:15 CRITICAL Act Now

Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via SSH. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Command Injection Ucm6204 Firmware Ucm6202 Firmware Ucm6208 Firmware Grandstream
NVD
CVSS 3.1
9.8
EPSS
3.2%
CVE-2020-5758 Jul 17, 21:15 HIGH This Week

Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Command Injection Ucm6204 Firmware Ucm6202 Firmware Ucm6208 Firmware Grandstream
NVD
CVSS 3.1
8.8
EPSS
4.4%
CVE-2020-5757 Jul 17, 21:15 CRITICAL Act Now

Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Command Injection Ucm6204 Firmware Ucm6202 Firmware Ucm6208 Firmware Grandstream
NVD
CVSS 3.1
9.8
EPSS
6.9%
CVE-2020-5756 Jul 17, 21:15 HIGH POC This Week

Grandstream GWN7000 firmware version 1.0.9.4 and below allows authenticated remote users to modify the system's crontab via undocumented API. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Gwn7000 Firmware Grandstream
NVD
CVSS 3.1
8.8
EPSS
2.5%
CVE-2020-5739 Apr 14, 14:15 HIGH POC This Week

Grandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an attacker adds an OpenVPN up script to the phone's VPN settings via the. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Code Injection Gxp1610 Firmware Gxp1615 Firmware Gxp1620 Firmware +4
NVD
CVSS 3.1
8.8
EPSS
5.3%
CVE-2020-5738 Apr 14, 14:15 HIGH POC This Week

Grandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an attacker uploads a specially crafted tar file to the HTTP. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Gxp1610 Firmware Gxp1615 Firmware Gxp1620 Firmware Gxp1625 Firmware +3
NVD
CVSS 3.1
8.8
EPSS
5.4%
CVE-2020-5726 Mar 30, 20:15 HIGH POC This Week

The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the CTI server on port 8888. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

SQLi Ucm6204 Firmware Ucm6202 Firmware Ucm6208 Firmware Grandstream
NVD Exploit-DB
CVSS 3.1
7.5
EPSS
4.2%
CVE-2020-5725 Mar 30, 20:15 MEDIUM POC This Month

The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the HTTP server's websockify endpoint. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

SQLi Ucm6204 Firmware Ucm6202 Firmware Ucm6208 Firmware Grandstream
NVD
CVSS 3.1
5.9
EPSS
1.7%
CVE-2020-5724 Mar 30, 20:15 HIGH POC THREAT This Week

The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the HTTP server's websockify endpoint. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

SQLi Ucm6204 Firmware Ucm6202 Firmware Ucm6208 Firmware Grandstream
NVD
CVSS 3.1
7.5
EPSS
11.9%
CVE-2020-5723 Mar 30, 20:15 CRITICAL POC Act Now

The UCM6200 series 1.0.20.22 and below stores unencrypted user passwords in an SQLite database. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Ucm6204 Firmware Ucm6202 Firmware Ucm6208 Firmware Grandstream
NVD
CVSS 3.1
9.8
EPSS
5.7%
CVE-2019-10663 Mar 30, 17:29 HIGH This Week

Grandstream UCM6204 before 1.0.19.20 devices allow remote authenticated users to conduct SQL injection attacks via the sord parameter in a listCodeblueGroup API call to the /cgi? URI. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

SQLi Ucm6204 Firmware Grandstream
NVD
CVSS 3.0
8.8
EPSS
28.1%
CVE-2019-10662 Mar 30, 17:29 HIGH POC THREAT This Week

Grandstream UCM6204 before 1.0.19.20 devices allow remote authenticated users to execute arbitrary code via shell metacharacters in the backupUCMConfig file-backup parameter to the /cgi? URI. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Command Injection Ucm6204 Firmware Grandstream
NVD GitHub
CVSS 3.1
8.8
EPSS
43.8%
CVE-2019-10661 Mar 30, 17:29 CRITICAL POC Act Now

On Grandstream GXV3611IR_HD before 1.0.3.23 devices, the root account lacks a password. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Gxv3611Ir Hd Firmware Grandstream
NVD GitHub
CVSS 3.1
9.8
EPSS
1.8%
CVE-2019-10660 Mar 30, 17:29 HIGH POC This Week

Grandstream GXV3611IR_HD before 1.0.3.23 devices allow remote authenticated users to execute arbitrary code via shell metacharacters in the /goform/systemlog?cmd=set logserver field. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Command Injection Gxv3611Ir Hd Firmware Grandstream
NVD GitHub
CVSS 3.1
8.8
EPSS
2.7%
CVE-2019-10659 Mar 30, 17:29 HIGH POC This Week

Grandstream GXV3370 before 1.0.1.41 and WP820 before 1.0.3.6 devices allow remote authenticated users to execute arbitrary code via shell metacharacters in a /manager?action=getlogcat priority field. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Command Injection Gxv3370 Firmware Wp820 Firmware Grandstream
NVD GitHub
CVSS 3.1
8.8
EPSS
2.7%
CVE-2019-10658 Mar 30, 17:29 HIGH POC This Week

Grandstream GWN7610 before 1.0.8.18 devices allow remote authenticated users to execute arbitrary code via shell metacharacters in the filename in a /ubus/controller.icc.update_nds_webroot_from_tmp. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Command Injection Gwn7610 Firmware Grandstream
NVD GitHub
CVSS 3.1
8.8
EPSS
2.7%
CVE-2019-10657 Mar 30, 17:29 MEDIUM POC This Month

Grandstream GWN7000 before 1.0.6.32 and GWN7610 before 1.0.8.18 devices allow remote authenticated users to discover passwords via a /ubus/uci.apply config request. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Command Injection Gwn7000 Firmware Gwn7610 Firmware Grandstream
NVD GitHub
CVSS 3.1
6.5
EPSS
1.5%
CVE-2019-10656 Mar 30, 17:29 HIGH POC This Week

Grandstream GWN7000 before 1.0.6.32 devices allow remote authenticated users to execute arbitrary code via shell metacharacters in the filename in a /ubus/uci.apply update_nds_webroot_from_tmp API. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Command Injection Gwn7000 Firmware Grandstream
NVD GitHub
CVSS 3.1
8.8
EPSS
4.0%
CVE-2017-16565 Nov 06, 08:29 HIGH POC This Week

Cross-Site Request Forgery (CSRF) in /cgi-bin/login on Vonage (Grandstream) HT802 devices allows attackers to authenticate a user via the login screen using the default password of 123 and submit. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

CSRF Ht802 Firmware Grandstream
NVD
CVSS 3.0
8.8
EPSS
0.1%
CVE-2017-16564 Nov 06, 08:29 MEDIUM POC This Month

Stored Cross-site scripting (XSS) vulnerability in /cgi-bin/config2 on Vonage (Grandstream) HT802 devices allows remote authenticated users to inject arbitrary web script or HTML via the DHCP vendor. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

XSS Ht802 Firmware Grandstream
NVD
CVSS 3.0
5.4
EPSS
0.1%
CVE-2017-16563 Nov 06, 08:29 HIGH POC This Week

Cross-Site Request Forgery (CSRF) in the Basic Settings screen on Vonage (Grandstream) HT802 devices allows attackers to modify settings, related to cgi-bin/update. Rated high severity (CVSS 8.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

CSRF Ht802 Firmware Grandstream
NVD
CVSS 3.0
8.0
EPSS
0.1%
CVE-2016-1520 Apr 21, 20:59 HIGH This Week

The Grandstream Wave app 1.0.1.26 and earlier for Android does not use HTTPS when retrieving update information, which might allow man-in-the-middle attackers to execute arbitrary code via a crafted. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RCE Google Wave Grandstream
NVD
CVSS 3.0
7.8
EPSS
0.3%
CVE-2016-1519 Apr 21, 20:59 MEDIUM This Month

The com.softphone.common package in the Grandstream Wave app 1.0.1.26 and earlier for Android does not properly validate SSL certificates, which allows man-in-the-middle attackers to spoof the. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Information Disclosure Google Wave Grandstream
NVD
CVSS 3.0
5.9
EPSS
0.2%
CVE-2016-1518 Apr 21, 20:59 HIGH This Week

The auto-provisioning mechanism in the Grandstream Wave app 1.0.1.26 and earlier for Android and Grandstream Video IP phones allows man-in-the-middle attackers to spoof provisioning data and. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Google Wave Grandstream
NVD
CVSS 3.0
8.1
EPSS
0.8%
CVE-2015-2866 Jul 08, 14:59 HIGH POC This Week

SQL injection vulnerability on the Grandstream GXV3611_HD camera with firmware before 1.0.3.9 beta allows remote attackers to execute arbitrary SQL commands by attempting to establish a TELNET. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

SQLi Gxv3611 Hd Firmware Grandstream
NVD Exploit-DB
CVSS 2.0
7.5
EPSS
3.6%
CVE-2013-3963 Oct 01, 19:55 MEDIUM POC This Month

Cross-site request forgery (CSRF) vulnerability in goform/usermanage in Grandstream GXV3501, GXV3504, GXV3601, GXV3601HD/LL, GXV3611HD/LL, GXV3615W/P, GXV3651FHD, GXV3662HD, GXV3615WP_HD, GXV3500,. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

CSRF Gxv Device Firmware Gxv3500 Gxv3501 Gxv3504 +8
NVD Exploit-DB
CVSS 2.0
6.8
EPSS
0.4%
CVE-2013-3962 Oct 01, 19:55 MEDIUM This Month

Cross-site scripting (XSS) vulnerability in Grandstream GXV3501, GXV3504, GXV3601, GXV3601HD/LL, GXV3611HD/LL, GXV3615W/P, GXV3651FHD, GXV3662HD, GXV3615WP_HD, GXV3500, and possibly other camera. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

XSS Gxv Device Firmware Gxv3500 Gxv3501 Gxv3504 +8
NVD
CVSS 2.0
4.3
EPSS
0.2%
EPSS 41% 4.7 CVSS 9.8
CRITICAL POC PATCH THREAT Act Now

Unauthenticated stack-based buffer overflow in /cgi-bin/api.values.get HTTP API endpoint. EPSS 41.1% indicates very high exploitation probability. Patch available.

RCE Buffer Overflow Stack Overflow +7
NVD GitHub
EPSS 84% CVSS 9.8
CRITICAL POC KEV THREAT Emergency

The HTTP interface of the Grandstream UCM6200 series is vulnerable to an unauthenticated remote SQL injection via crafted HTTP request. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

SQLi Ucm6200 Firmware Grandstream
NVD Exploit-DB
EPSS 15% CVSS 9.8
CRITICAL POC THREAT Emergency

Grandstream GAC2500 1.0.3.35, GXP2200 1.0.3.27, GVC3202 1.0.3.51, GXV3275 before 1.0.3.219 Beta, and GXV3240 before 1.0.3.219 Beta devices allow unauthenticated remote code execution via shell. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RCE Buffer Overflow Command Injection +7
NVD GitHub
EPSS 0% CVSS 7.6
HIGH POC This Week

Information disclosure in the Grandstream GXP1628 IP phone (firmware 1.0.4.130 and earlier) exposes sensitive directories and files because directory listing is enabled on the device web interface, letting attackers browse and retrieve files that should be protected. The flaw (CWE-548) can leak configuration data, credentials, or other sensitive artifacts stored on the device. Publicly available exploit code exists, though EPSS remains low at 0.31% (22nd percentile) and it is not listed in CISA KEV.

Authentication Bypass Gxp1628 Firmware Grandstream
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM This Month

Unauthenticated sensitive information disclosure in Grandstream UCM6510 unified communications appliances (firmware v.1.0.20.52 and earlier) exposes data via the Login function at the /cgi and /webrtccgi CGI endpoints. The CVSS vector (PR:N/UI:N/AV:N) confirms exploitation requires no authentication or user interaction from any network position. A public proof-of-concept is available on GitHub; EPSS is low at 0.40% (32nd percentile) suggesting limited opportunistic scanning activity to date, but internet-exposed deployments are concretely at risk from targeted reconnaissance.

Information Disclosure Ucm6510 Firmware Grandstream
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM This Month

Unlimited brute-force authentication attempts against Grandstream UCM6510 IP PBX firmware v1.0.20.52 and earlier allow unauthenticated network attackers to enumerate and compromise user accounts through credential stuffing or dictionary attacks. The device imposes no rate limiting, lockout, or CAPTCHA mechanism on login attempts (CWE-307), making full account takeover feasible against any account with a weak or guessable password. No public exploit confirmation via CISA KEV exists, though a researcher-published GitHub gist documents the issue and EPSS sits at a low 0.28% (20th percentile), suggesting limited observed exploitation at this time.

Information Disclosure Ucm6510 Firmware Grandstream
NVD GitHub
EPSS 26% CVSS 9.8
CRITICAL POC THREAT Act Now

An os command injection vulnerability exists in the CWMP SelfDefinedTimeZone functionality of Grandstream GXP2135 1.0.9.129, 1.0.11.74 and 1.0.11.79. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Command Injection Gxp2135 Firmware Grandstream
NVD
EPSS 4% CVSS 9.8
CRITICAL POC Act Now

In Grandstream GSD3710 in its 1.0.11.13 version, it's possible to overflow the stack since it doesn't check the param length before using the sscanf instruction. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Stack Overflow Gds3710 Firmware +1
NVD Exploit-DB
EPSS 4% CVSS 9.8
CRITICAL POC Act Now

an attacker with knowledge of user/pass of Grandstream GSD3710 in its 1.0.11.13 version, could overflow the stack since it doesn't check the param length before use the strcopy instruction. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Stack Overflow Gds3710 Firmware +1
NVD Exploit-DB
EPSS 2% CVSS 8.8
HIGH POC This Week

An issue was discovered on the Grandstream HT801 Analog Telephone Adaptor before 1.0.29.8. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Ht801 Firmware Grandstream
NVD
EPSS 7% CVSS 8.8
HIGH POC This Week

Multiple buffer overflows in the limited configuration shell (/sbin/gs_config) on Grandstream HT801 devices before 1.0.29 allow remote authenticated users to execute arbitrary code as root via a. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Buffer Overflow Memory Corruption +2
NVD GitHub
EPSS 3% CVSS 8.8
HIGH POC This Week

Grandstream HT800 series firmware version 1.0.17.5 and below contain a backdoor in the SSH service. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Ht802 Firmware Ht801 Firmware +5
NVD
EPSS 3% CVSS 7.5
HIGH POC This Week

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to a denial of service attack against the TR-069 service. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Ht802 Firmware +6
NVD
EPSS 4% CVSS 7.5
HIGH POC This Week

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due to an infinite loop in the TR-069 service. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Ht802 Firmware Ht801 Firmware +5
NVD
EPSS 5% CVSS 7.8
HIGH POC This Week

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to an OS command injection vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Command Injection Ht802 Firmware Ht801 Firmware +5
NVD
EPSS 3% CVSS 9.8
CRITICAL Act Now

Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via SSH. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Command Injection Ucm6204 Firmware Ucm6202 Firmware +2
NVD
EPSS 4% CVSS 8.8
HIGH This Week

Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Command Injection Ucm6204 Firmware Ucm6202 Firmware +2
NVD
EPSS 7% CVSS 9.8
CRITICAL Act Now

Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Command Injection Ucm6204 Firmware Ucm6202 Firmware +2
NVD
EPSS 2% CVSS 8.8
HIGH POC This Week

Grandstream GWN7000 firmware version 1.0.9.4 and below allows authenticated remote users to modify the system's crontab via undocumented API. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Gwn7000 Firmware Grandstream
NVD
EPSS 5% CVSS 8.8
HIGH POC This Week

Grandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an attacker adds an OpenVPN up script to the phone's VPN settings via the. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Code Injection Gxp1610 Firmware +6
NVD
EPSS 5% CVSS 8.8
HIGH POC This Week

Grandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an attacker uploads a specially crafted tar file to the HTTP. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Gxp1610 Firmware Gxp1615 Firmware +5
NVD
EPSS 4% CVSS 7.5
HIGH POC This Week

The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the CTI server on port 8888. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

SQLi Ucm6204 Firmware Ucm6202 Firmware +2
NVD Exploit-DB
EPSS 2% CVSS 5.9
MEDIUM POC This Month

The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the HTTP server's websockify endpoint. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

SQLi Ucm6204 Firmware Ucm6202 Firmware +2
NVD
EPSS 12% CVSS 7.5
HIGH POC THREAT This Week

The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the HTTP server's websockify endpoint. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

SQLi Ucm6204 Firmware Ucm6202 Firmware +2
NVD
EPSS 6% CVSS 9.8
CRITICAL POC Act Now

The UCM6200 series 1.0.20.22 and below stores unencrypted user passwords in an SQLite database. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Ucm6204 Firmware Ucm6202 Firmware +2
NVD
EPSS 28% CVSS 8.8
HIGH This Week

Grandstream UCM6204 before 1.0.19.20 devices allow remote authenticated users to conduct SQL injection attacks via the sord parameter in a listCodeblueGroup API call to the /cgi? URI. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

SQLi Ucm6204 Firmware Grandstream
NVD
EPSS 44% CVSS 8.8
HIGH POC THREAT This Week

Grandstream UCM6204 before 1.0.19.20 devices allow remote authenticated users to execute arbitrary code via shell metacharacters in the backupUCMConfig file-backup parameter to the /cgi? URI. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Command Injection Ucm6204 Firmware +1
NVD GitHub
EPSS 2% CVSS 9.8
CRITICAL POC Act Now

On Grandstream GXV3611IR_HD before 1.0.3.23 devices, the root account lacks a password. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Gxv3611Ir Hd Firmware Grandstream
NVD GitHub
EPSS 3% CVSS 8.8
HIGH POC This Week

Grandstream GXV3611IR_HD before 1.0.3.23 devices allow remote authenticated users to execute arbitrary code via shell metacharacters in the /goform/systemlog?cmd=set logserver field. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Command Injection Gxv3611Ir Hd Firmware +1
NVD GitHub
EPSS 3% CVSS 8.8
HIGH POC This Week

Grandstream GXV3370 before 1.0.1.41 and WP820 before 1.0.3.6 devices allow remote authenticated users to execute arbitrary code via shell metacharacters in a /manager?action=getlogcat priority field. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Command Injection Gxv3370 Firmware +2
NVD GitHub
EPSS 3% CVSS 8.8
HIGH POC This Week

Grandstream GWN7610 before 1.0.8.18 devices allow remote authenticated users to execute arbitrary code via shell metacharacters in the filename in a /ubus/controller.icc.update_nds_webroot_from_tmp. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Command Injection Gwn7610 Firmware +1
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

Grandstream GWN7000 before 1.0.6.32 and GWN7610 before 1.0.8.18 devices allow remote authenticated users to discover passwords via a /ubus/uci.apply config request. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Command Injection Gwn7000 Firmware Gwn7610 Firmware +1
NVD GitHub
EPSS 4% CVSS 8.8
HIGH POC This Week

Grandstream GWN7000 before 1.0.6.32 devices allow remote authenticated users to execute arbitrary code via shell metacharacters in the filename in a /ubus/uci.apply update_nds_webroot_from_tmp API. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RCE Command Injection Gwn7000 Firmware +1
NVD GitHub
EPSS 0% CVSS 8.8
HIGH POC This Week

Cross-Site Request Forgery (CSRF) in /cgi-bin/login on Vonage (Grandstream) HT802 devices allows attackers to authenticate a user via the login screen using the default password of 123 and submit. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

CSRF Ht802 Firmware Grandstream
NVD
EPSS 0% CVSS 5.4
MEDIUM POC This Month

Stored Cross-site scripting (XSS) vulnerability in /cgi-bin/config2 on Vonage (Grandstream) HT802 devices allows remote authenticated users to inject arbitrary web script or HTML via the DHCP vendor. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

XSS Ht802 Firmware Grandstream
NVD
EPSS 0% CVSS 8.0
HIGH POC This Week

Cross-Site Request Forgery (CSRF) in the Basic Settings screen on Vonage (Grandstream) HT802 devices allows attackers to modify settings, related to cgi-bin/update. Rated high severity (CVSS 8.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

CSRF Ht802 Firmware Grandstream
NVD
EPSS 0% CVSS 7.8
HIGH This Week

The Grandstream Wave app 1.0.1.26 and earlier for Android does not use HTTPS when retrieving update information, which might allow man-in-the-middle attackers to execute arbitrary code via a crafted. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RCE Google Wave +1
NVD
EPSS 0% CVSS 5.9
MEDIUM This Month

The com.softphone.common package in the Grandstream Wave app 1.0.1.26 and earlier for Android does not properly validate SSL certificates, which allows man-in-the-middle attackers to spoof the. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Information Disclosure Google Wave +1
NVD
EPSS 1% CVSS 8.1
HIGH This Week

The auto-provisioning mechanism in the Grandstream Wave app 1.0.1.26 and earlier for Android and Grandstream Video IP phones allows man-in-the-middle attackers to spoof provisioning data and. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Google Wave +1
NVD
EPSS 4% CVSS 7.5
HIGH POC This Week

SQL injection vulnerability on the Grandstream GXV3611_HD camera with firmware before 1.0.3.9 beta allows remote attackers to execute arbitrary SQL commands by attempting to establish a TELNET. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

SQLi Gxv3611 Hd Firmware Grandstream
NVD Exploit-DB
EPSS 0% CVSS 6.8
MEDIUM POC This Month

Cross-site request forgery (CSRF) vulnerability in goform/usermanage in Grandstream GXV3501, GXV3504, GXV3601, GXV3601HD/LL, GXV3611HD/LL, GXV3615W/P, GXV3651FHD, GXV3662HD, GXV3615WP_HD, GXV3500,. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

CSRF Gxv Device Firmware Gxv3500 +10
NVD Exploit-DB
EPSS 0% CVSS 4.3
MEDIUM This Month

Cross-site scripting (XSS) vulnerability in Grandstream GXV3501, GXV3504, GXV3601, GXV3601HD/LL, GXV3611HD/LL, GXV3615W/P, GXV3651FHD, GXV3662HD, GXV3615WP_HD, GXV3500, and possibly other camera. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

XSS Gxv Device Firmware Gxv3500 +10
NVD

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